1 Click Start→ Control Panel.
2 Under Pick a Category, click Performance and Maintenance, and click
3 In the System Properties window, click the Hardware tab, and click Device
1 Click the Windows Vista Start button
2 Click Properties→ Device Manager.
administrator on the computer, click Continue; otherwise, contact your
administrator to continue.
Scroll down the list to see if any device has an exclamation point (a yellow
circle with a [!]) on the device icon.
If an exclamation point is next to the device name, you may need to reinstall
the driver or install a new driver (see "Reinstalling Drivers and Utilities" on
Reinstalling Drivers and Utilities
Utilities media provide approved drivers for Dell computers. If you install drivers
obtained from other sources, your computer might not work correctly.
Using Windows Device Driver Rollback
If a problem occurs on your computer after you install or update a driver, use
Windows Device Driver Rollback to replace the driver with the previously
1 Click Start→ My Computer→ Properties→ Hardware→ Device Manager.
2 Right-click the device for which the new driver was installed and click
3 Click the Drivers tab→ Roll Back Driver.
The User Account Control window may appear. If you are an
The Dell Support website at support.dell.com and your Drivers and
and right-click Computer.